When rejection regions are located at both ends of a sampling distribution, a statistical test is used.
A)parametric
B)directional
C)one-tailed
D)non-directional

Question

Quizplus · Accepted Answer

Non-directional (or two-tailed) tests have rejection regions at both ends of the sampling distribution, indicating that the researcher is looking for evidence of a difference in either direction without specifying which direction ahead of time.

When Rejection Regions Are Located at Both Ends of a Sampling